CHIANG YUEN is determined to establish his own business and surpasses his father CHIANG SHING-TIN so as to take revenge against his father for having kept him in tight control all these years. Despite several setbacks, CHIANG YUEN, with assistance from CHUNG HIU-YEUNG, DING MAN-CHI, YUEN SIU-TIN and the others, makes a comeback by setting up a mobile application development company, taking a pledge to start a trade war with his father